Next-Generation Refrigerators (IMAGE) DOE/Ames National Laboratory Caption Currently, residential and commercial cooling consumes about one out of every five kilowatt-hours of electricity generated in the US, but a caloric refrigeration system could save as much as 30 percent in energy usage. Credit Ames Laboratory, US Department of Energy Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.